
void VSMain(
    float3 InPosition   : POSITION,
    out float4 Position : POSITION,
    uniform float4x4 WorldViewProjMatrix)
{
    Position = mul(WorldViewProjMatrix, InPosition);
}

void PSMain(
    out float4 Color    : COLOR)
{
    Color = float4(0, 0, 0, 1);
}